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ES Series 2400-7200 hp
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The ES Series provides economical performance in the high horsepower ranges for a variety of field gas production, gathering, transmission, boosting and injection applications.
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Design Philosophy
The ES Series features cross-bolted frame supports for added strength, shim-adjustable crosshead shoes, waterjacket cylinder cooling and nitride-coated cylinder liner to reduce wear and maintenance.
Available in the following models:
- ES 502, ES 602, ES 702 - 2 Throw Frame
- ES 504, ES 604, ES 704 - 4 Throw Frame
- ES 506, ES 606, ES 706 - 6 Throw Frame
| ES Series™
FRAME SPECIFICATIONS |
| |
ES 502 |
ES 504 |
ES 506 |
ES 602 |
ES 604 |
ES 606 |
ES 702 |
ES 704 |
ES 706 |
| Rated Speed-Max. (RPM)* |
1500 |
1500 |
1500 |
1200 |
1200 |
1200 |
1000 |
1000 |
1000 |
| Max HP/kW |
2400/ 1790 |
4800/ 3580 |
7200/ 5370 |
2400/ 1790 |
4800/ 3580 |
7200/ 5370 |
2400/ 1790 |
4800/ 3580 |
7200/ 5370 |
| Number of Throws |
2 |
4 |
6 |
2 |
4 |
6 |
2 |
4 |
6 |
| Max. Number of Stages |
3 |
4 |
6 |
3 |
4 |
6 |
3 |
4 |
6 |
| Rod Load - Tension
(lb/kg) |
47,500/ 21,542 |
47,500/ 21,542 |
47,500/ 21,542 |
47,500/ 21,542 |
47,500/ 21,542 |
47,500/ 21,542 |
47,500/ 21,542 |
47,500/ 21,542 |
47,500/ 21,542 |
| Rod Load Compression
(lb/kg) |
50,000/ 22,676 |
50,000/ 22,676 |
50,000/ 22,676 |
50,000/ 22,676 |
50,000/ 22,676 |
50,000/ 22,676 |
50,000/ 22,676 |
50,000/ 22,676 |
50,000/ 22,676 |
| Combined Rod Load
(lb/kg) |
97,500/ 44,218 |
97,500/ 44,218 |
97,500/ 44,218 |
97,500/ 44,218 |
97,500/ 44,218 |
97,500/ 44,218 |
97,500/ 44,218 |
97,500/ 44,218 |
97,500/ 44,218 |
| Stroke (in/mm) |
5/127 |
5/127 |
5/127 |
6/152.4 |
6/152.4 |
6/152.4 |
7/177.8 |
7/177.8 |
7/177.8 |
| Piston Rod Diameter
(in/mm) |
2.25/ 57.1 |
2.25/ 57.1 |
2.25/ 57.1 |
2.25/ 57.1 |
2.25/ 57.1 |
2.25/ 57.1 |
2.25/ 57.1 |
2.25/ 57.1 |
2.25/ 57.1 |
| Crankshaft Material |
4140 F.S. |
4140 F.S. |
4140 F.S. |
4140 F.S. |
4140 F.S. |
4140 F.S. |
4140 F.S. |
4140 F.S. |
4140 F.S. |
| Connecting Rod Material |
F.S. |
F.S. |
F.S. |
F.S. |
F.S. |
F.S. |
F.S. |
F.S. |
F.S. |
| Crankpin & Main
Bearing Dia. (in/mm) |
6.5/ 165.1 |
6.5/ 165.1 |
6.5/ 165.1 |
6.5/ 165.1 |
6.5/ 165.1 |
6.5/ 165.1 |
6.5/ 165.1 |
6.5/ 165.1 |
6.5/ 165.1 |
| Crankpin & Main
Bearings - width (in/mm) |
3.25/ 82.5 |
3.25/ 82.5 |
3.25/ 82.5 |
3.25/ 82.5 |
3.25/ 82.5 |
3.25/ 82.5 |
3.25/ 82.5 |
3.25/ 82.5 |
3.25/ 82.5 |
| Connecting Rod Pin
Bushing - Dia. (in/mm) |
5.25/ 133.4 |
5.25/ 133.4 |
5.25/ 133.4 |
5.25/ 133.4 |
5.25/ 133.4 |
5.25/ 133.4 |
5.25/ 133.4 |
5.25/ 133.4 |
5.25/ 133.4 |
| Connecting Rod Pin
Bushing - Length (in/mm) |
4.0/ 101.6 |
4.0/ 101.6 |
4.0/ 101.6 |
4.0/ 101.6 |
4.0/ 101.6 |
4.0/ 101.6 |
4.0/ 101.6 |
4.0/ 101.6 |
4.0/ 101.6 |
| Unit Length (in/mm) |
48/ 1219.2 |
100/ 2540 |
147/ 3733.8 |
48/ 1219.2 |
100/ 2540 |
147/ 3733.8 |
48/ 1219.2 |
100/ 2540 |
147/ 3733.8 |
| Unit Width (in/mm) |
177/ 4495.8 |
179.5/ 4559.3 |
179.5/ 4559.3 |
177/ 4495.8 |
179.5/ 4559.3 |
179.5/ 4559.3 |
177/ 4495.8 |
179.5/ 4559.3 |
179.5/ 4559.3 |
| Unit Weight with cylinders
(lb/kg) |
13,900/ 6305 |
32,950/ 14,946 |
41,900/ 19,005 |
13,900/ 6305 |
32,950/ 14,946 |
41,900/ 19,005 |
13,900/ 6305 |
32,950/ 14,946 |
41,900/ 19,005 |
| Specifications noted here may vary depending upon unit configuration.
F.S. = Forged Steel. *Some cylinders may require lower speeds. |
| ES SERIES CYLINDER COMBINATIONS |
| Operation |
Material |
Bore (in) |
MAWP (psig) |
Liner |
Cooling |
| Double Acting |
F.S. |
3.0, 3.25, 3.50, 3.75 |
4700 |
Yes |
Air |
| Double Acting |
F.S. |
3.5, 3.75, 4.0, 4.25 |
3600 |
Yes |
Air |
| Double Acting |
F.S. |
5.5, 5.75, 6.0, 6.25 |
3600 |
Yes |
Air |
| Double Acting |
D.I. |
4.5, 4.75, 5.0, 5.25 |
2500 |
Yes |
Water |
| Double Acting |
D.I. |
5.5, 5.75, 6.0, 6.25 |
2200 |
Yes |
Water |
| Double Acting |
D.I. |
6.75, 7.0, 7.25, 7.5 |
1800 |
Yes |
Water |
| Double Acting |
D.I. |
8.5, 9.0, 9.5 |
1500 |
Yes |
Water |
| Double Acting |
D.I. |
10.0, 10.5, 11.0 |
1250 |
Yes |
Water |
| Double Acting |
D.I. |
12.0, 12.5, 13.0,
13.5 |
800 |
Yes |
Water |
| Double Acting |
D.I. |
14.0, 14.5, 15.0 |
635 |
Yes |
Water |
| Double Acting |
D.I. |
15.5, 16.0, 16.5 |
635 |
Yes |
Water |
| Double Acting |
C.I. |
17.0, 17.5, 18.0,
18.5 |
250 |
Yes |
Water |
| Double Acting |
C.I. |
19.0, 19.5, 20.0,
20.5, 21.0 |
250 |
Yes |
Water |
| Double Acting |
C.I. |
21.5, 22.0, 22.5 |
250 |
Yes |
Water |
| Double Acting |
C.I. |
23.5 |
250 |
No |
Water |
| SACE Step |
D.I. |
12.0, 12.5, 13.0,
13.5 |
800 |
Yes |
Water |
| SAHE Step |
D.I. |
6.75, 7.0, 7.25, 7.5 |
1800 |
Yes |
Air |
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